Wireless Bicycle Control Assembly for Integrated Shifting and Braking
Solution Overview
Problem
Existing bicycle gear shifting systems lack efficient and intuitive control mechanisms for electromechanical derailleurs, often requiring complex cable operations and lacking integration with brake controls.
Innovation Solution
A bicycle control assembly featuring a graspable housing with a power supply, a shift lever assembly with electronic componentry, including a controller, antenna, and electrical switches, allowing for wireless communication and integrated operation of gear shifting and braking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional cable-operated gear shifting systems are used, then mechanical reliability is maintained, but device complexity and ease of operation deteriorate due to complex cable operations and lack of integration
Solution Approach 1:
The patent replaces the traditional mechanical cable-pull shifting system with an electromechanical system that uses electronic sensors, wireless communication modules, and motorized actuators. This substitution eliminates complex cable operations and enables more intuitive control interfaces, directly improving ease of operation while managing device complexity through integrated electronic control.
Solution Approach 2:
The control assembly is designed to provide multiple functions including gear shifting control, brake control, and wireless communication capabilities within a single integrated unit. This multi-functionality consolidates what would otherwise require separate systems, improving ease of operation by providing unified control while the integration helps manage overall device complexity.
2Ease of operation
If wireless electromechanical shifting systems are implemented, then ease of operation improves through intuitive controls, but device complexity increases due to electronic componentry and wireless communication requirements
Solution Approach 1:
The patent replaces manual cable operation with electronic sensors and wireless communication modules that detect rider input and transmit signals to the derailleur motor. This substitution enables more intuitive control methods such as touch-sensitive surfaces or gesture-based inputs, significantly improving ease of operation while the electronic integration manages the added complexity through centralized control architecture.
Solution Approach 2:
The patent introduces wireless communication modules and electronic controllers as intermediaries between the rider's input and the mechanical shifting action. These intermediaries enable intuitive user interaction through electronic interfaces while managing the complexity of coordinating multiple electronic components through standardized communication protocols and integrated control logic.
3Ease of operation
If integrated brake and shift control assembly is used, then ease of operation improves through unified controls, but device complexity increases due to integration requirements
Solution Approach 1:
The patent merges the brake control and gear shifting control into a single integrated assembly mounted on the handlebar. This consolidation allows the rider to control both functions from one location, improving ease of operation through unified controls. The integration manages complexity by sharing common components such as the housing, mounting structure, and power supply between the two control functions.
Solution Approach 2:
The control assembly is designed as a multi-functional unit that handles both braking and gear shifting operations, along with wireless communication and power management. This universality improves ease of operation by providing comprehensive control in one location while managing device complexity through shared electronic control architecture and common structural elements.
Data Source
AI summary
A bicycle control assembly may be provided for operating an electromechanical gear shifting device. The control assembly includes a graspable housing mountable to the bicycle, a power supply connected to the control assembly disposed in the housing, a first operating member movably connected to the housing, and electronic componentry disposed on the first operating member. The electronic componentry may include an electrical switch, a controller in communication with the electrical switch and configured to generate a signal to change a shift position of the gear shifting device responsive to an input from the electrical switch, and an antenna in communication with the controller and configured to send the signal. The control assembly may also include a cable extending from the housing to the first operating member connecting the power supply and the electronic componentry.